<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=435441
-->
<head>
  <title>Test for Bug 435441</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="animation_utils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style type="text/css">

  p.transition {
    transition: margin-top 100s linear;
  }

  </style>
</head>
<body>
<div id="display">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for transition step functions **/

var display = document.getElementById("display");

function run_test(tf, percent, value)
{
  var p = document.createElement("p");
  p.className = "transition";
  p.style.marginTop = "0px";
  // be this percent of the way through a 100s transition
  p.style.transitionDelay = (percent * -100) + "s";
  p.style.transitionTimingFunction = tf;
  display.appendChild(p);
  var cs = getComputedStyle(p, "");
  var flush1 = cs.marginTop;

  p.style.marginTop = "1000px";
  var result = px_to_num(cs.marginTop) / 1000

  is(result, value, 100 * percent + "% of the way through " + tf);

  display.removeChild(p);
}

run_test("step-start", 0, 1);
run_test("step-start", 0.001, 1);
run_test("step-start", 0.999, 1);
run_test("step-start", 1, 1);
run_test("step-end", 0, 0);
run_test("step-end", 0.001, 0);
run_test("step-end", 0.999, 0);
run_test("step-end", 1, 1);

run_test("steps(2)", 0.00, 0.0);
run_test("steps(2)", 0.49, 0.0);
run_test("steps(2)", 0.50, 0.5);
run_test("steps(2)", 0.99, 0.5);
run_test("steps(2)", 1.00, 1.0);

run_test("steps(2, end)", 0.00, 0.0);
run_test("steps(2, end)", 0.49, 0.0);
run_test("steps(2, end)", 0.50, 0.5);
run_test("steps(2, end)", 0.99, 0.5);
run_test("steps(2, end)", 1.00, 1.0);

run_test("steps(2, start)", 0.00, 0.5);
run_test("steps(2, start)", 0.49, 0.5);
run_test("steps(2, start)", 0.50, 1.0);
run_test("steps(2, start)", 0.99, 1.0);
run_test("steps(2, start)", 1.00, 1.0);

run_test("steps(8,end)", 0.00, 0.0);
run_test("steps(8,end)", 0.10, 0.0);
run_test("steps(8,end)", 0.20, 0.125);
run_test("steps(8,end)", 0.30, 0.25);
run_test("steps(8,end)", 0.40, 0.375);
run_test("steps(8,end)", 0.49, 0.375);
run_test("steps(8,end)", 0.50, 0.5);
run_test("steps(8,end)", 0.60, 0.5);
run_test("steps(8,end)", 0.70, 0.625);
run_test("steps(8,end)", 0.80, 0.75);
run_test("steps(8,end)", 0.90, 0.875);
run_test("steps(8,end)", 1.00, 1.0);

</script>
</pre>
</body>
</html>
